Ophthalmic surgical instruments and snares thereof

摘要

An ophthalmic surgical instrument includes an elongated shaft and a snare configured to transition between an expanded configuration, in which the snare is sized to encircle lenticular tissue, and a contracted configuration. The snare has a section configured to cooperate with a bottom surface of the elongated shaft to sever the lenticular tissue therebetween upon the snare transitioning toward the contracted configuration.